EPA Air · stack tests by state and year
Air-emissions stack tests in Kentucky, 2025
- 204Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Kentucky during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Kentucky, 2025
- Jefferson County 49
- McCracken County 11
- Carroll County 10
- Henderson County 8
- Logan County 7
- Hancock County 6
- Todd County 5
- Daviess County 5
- Ohio County 5
- Mercer County 5
- Barren County 5
- Franklin County 4
- Nelson County 4
- Christian County 4
- Boone County 4
- Mason County 3
- Muhlenberg County 3
- Hopkins County 3
- Meade County 3
- Pendleton County 3
- Scott County 3
- Metcalfe County 3
- Gallatin County 3
Kentucky, other years
Air-emissions stack tests recorded in Kentucky, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-30 | CABOT CORPORATION - HOPKINSVILLE FACILITY — high-priority violation on file | HOPKINSVILLE, Christian, KY | Pass | State |
| 2025-12-30 | REPUBLIC SERVICES OF KY LLC - EPPERSON WASTE DISPOSAL | WILLIAMSTOWN, Grant, KY | Pass | State |
| 2025-12-18 | BIG RIVERS ELECTRIC CORP - DB WILSON STATION — high-priority violation on file | CENTERTOWN, Ohio, KY | Pass | State |
| 2025-12-17 | LOUISVILLE GAS & ELECTRIC | MAGNOLIA, Larue, KY | Pass | State |
| 2025-12-16 | LOUISVILLE GAS & ELECTRIC | MAGNOLIA, Larue, KY | Pass | State |
| 2025-12-16 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2025-12-09 | DOW SILICONES CORP | CARROLLTON, Carroll, KY | Fail | State |
| 2025-12-09 | DART CONTAINER CORP OF KY | HORSE CAVE, Hart, KY | Pass | State |
| 2025-12-09 | DART CONTAINER CORP OF KY | HORSE CAVE, Hart, KY | Pass | State |
| 2025-12-04 | LOUISVILLE GAS AND ELECTRIC COMPANY CANE RUN GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-12-04 | LOUISVILLE MEDICAL CENTER STEAM PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-12-03 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2025-12-03 | LOUISVILLE MEDICAL CENTER STEAM PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-12-02 | DAVIESS CO FISCAL COURT | OWENSBORO, Daviess, KY | Pass | State |
| 2025-12-02 | HARBISONWALKER INTERNATIONAL, INC. | SOUTH SHORE, Greenup, KY | Pass | State |
| 2025-12-02 | HARDIN CO CONTAINED LANDFILL-AUDUBON TRACE | ELIZABETHTOWN, Hardin, KY | Pass | State |
| 2025-12-02 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2025-12-02 | LOUISVILLE MEDICAL CENTER STEAM PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-12-02 | LOUISVILLE MEDICAL CENTER STEAM PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-11-26 | EAST KY POWER COOP - SPURLOCK STATION | MAYSVILLE, Mason, KY | Pass | State |
| 2025-11-20 | BAVARIAN TRUCKING COMPANY INC | WALTON, Boone, KY | Pass | State |
| 2025-11-20 | FORD MOTOR COMPANY KENTUCKY TRUCK PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-11-18 | NUCOR STEEL BRANDENBURG | BRANDENBURG, Meade, KY | Pass | State |
| 2025-11-18 | AMERICAN FUJI SEAL INC | BARDSTOWN, Nelson, KY | Pass | State |
| 2025-11-18 | FORD MOTOR COMPANY KENTUCKY TRUCK PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-11-18 | RECAST ENERGY LOUISVILLE, LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-11-17 | US ARMY GARRISON FORT KNOX | FORT KNOX, Hardin, KY | Pass | State |
| 2025-11-13 | SAFETY-KLEEN SYSTEMS, INC. - SMITHFIELD RECYCLE CENTER | SMITHFIELD, Henry, KY | Pass | State |
| 2025-11-13 | MARATHON PETROLEUM CO LP (KRAMERS LANE) | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-11-12 | MPLX TERMINALS, LLC - ALGONQUIN TERMINAL | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-11-12 | MPLX TERMINALS, LLC - ALGONQUIN TERMINAL | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-11-11 | AHMLFG LLC | JEFFERSONVILLE, Montgomery, KY | Pass | State |
| 2025-11-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-11-11 | MPLX TERMINALS, LLC - ALGONQUIN TERMINAL | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-10-30 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-10-30 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | LOUISVILLE, Jefferson, KY | Incomplete | Local |
| 2025-10-29 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2025-10-28 | HYDRO ALUMINUM METALS USA LLC | HENDERSON, Henderson, KY | Pass | State |
| 2025-10-28 | TOYOTA MOTOR MANUFACTURING, KENTUCKY | GEORGETOWN (SCOTT), Scott, KY | Pending | State |
| 2025-10-28 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2025-10-28 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2025-10-28 | NOVELIS CORPORATION | GUTHRIE, Todd, KY | Pass | State |
| 2025-10-23 | BIG RIVERS ELECTRIC CORP - DB WILSON STATION — high-priority violation on file | CENTERTOWN, Ohio, KY | Fail | State |
| 2025-10-21 | GLASGOW REGIONAL LANDFILL | GLASGOW, Barren, KY | Pass | State |
| 2025-10-21 | STELLA-JONES CORP | FULTON, Fulton, KY | Pending | State |
| 2025-10-21 | LOUISVILLE GAS & ELECTRIC CO - TRIMBLE CO GENERATING STATION | BEDFORD, Trimble, KY | Pass | State |
| 2025-10-20 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2025-10-20 | MASON CO KY FISCAL COURT | MAYSVILLE, Mason, KY | Pass | State |
| 2025-10-15 | EXXONMOBIL ADVANCED GRAPHITE SOLUTIONS LLC | HOPKINSVILLE, Christian, KY | Pass | State |
| 2025-10-13 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2025-10-09 | EAST KY POWER COOP - BAVARIAN LGTE | WALTON, Boone, KY | Pass | State |
| 2025-10-09 | AGC FLAT GLASS N AMERICA INC — high-priority violation on file | RICHMOND, Madison, KY | Pass | State |
| 2025-10-08 | CORNING INCORPORATED | HARRODSBURG, Mercer, KY | Pass | State |
| 2025-10-07 | EAST KENTUCKY POWER COOPERATIVE INC - CAGLES | ALBANY, Clinton, KY | Pass | State |
| 2025-10-07 | KIMBERLY-CLARK CORPORATION | OWENSBORO, Daviess, KY | Pass | State |
| 2025-10-07 | COMMONWEALTH ROLLED PRODUCTS INC | LEWISPORT, Hancock, KY | Pass | State |
| 2025-10-02 | DOMTAR PAPER CO LLC - HAWESVILLE OPERATIONS | HAWESVILLE, Hancock, KY | Pass | State |
| 2025-10-01 | JM SMUCKER LLC | SCOTTSVILLE, Allen, KY | Pass | State |
| 2025-10-01 | BLUEGRASS INGREDIENTS, INC | SPRINGFIELD, Washington, KY | Pass | State |
| 2025-09-25 | DOMTAR PAPER CO LLC - HAWESVILLE OPERATIONS | HAWESVILLE, Hancock, KY | Pass | State |
| 2025-09-24 | TOYOTA MOTOR MANUFACTURING, KENTUCKY | GEORGETOWN (SCOTT), Scott, KY | Pending | State |
| 2025-09-23 | TOKAI CARBON GE LLC | HICKMAN, Fulton, KY | Pass | State |
| 2025-09-23 | DOMTAR PAPER CO LLC - HAWESVILLE OPERATIONS | HAWESVILLE, Hancock, KY | Pass | State |
| 2025-09-23 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2025-09-23 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2025-09-18 | KY UTILITIES CO - GHENT STATION | GHENT, Carroll, KY | Pass | State |
| 2025-09-18 | KY UTILITIES CO - BROWN STATION | HARRODSBURG, Mercer, KY | Pass | State |
| 2025-09-17 | KY UTILITIES CO - GHENT STATION | GHENT, Carroll, KY | Pass | State |
| 2025-09-17 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2025-09-16 | NORTH AMERICAN STAINLESS | GHENT, Carroll, KY | Pass | State |
| 2025-09-16 | ANR PIPELINE CO (MADISONVILLE COMPRESSOR STA) | MADISONVILLE, Hopkins, KY | Pass | State |
| 2025-09-16 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2025-09-16 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2025-09-16 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2025-09-16 | BUCKEYE TERMINALS LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-09-11 | VANDERBILT CHEMICALS LLC | MURRAY, Calloway, KY | Pass | State |
| 2025-09-10 | KY UTILITIES CO - GHENT STATION | GHENT, Carroll, KY | Pass | State |
| 2025-09-10 | ARKEMA INC | CALVERT CITY, Marshall, KY | Pass | State |
| 2025-09-09 | VANDERBILT CHEMICALS LLC | MURRAY, Calloway, KY | Pass | State |
| 2025-09-09 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2025-09-09 | DIVERSIFIED MIDSTREAM LLC - MYRA COMPRESSOR STATION | MYRA, Pike, KY | Pass | State |
| 2025-09-09 | DIVERSIFIED MIDSTREAM LLC - MYRA COMPRESSOR STATION | MYRA, Pike, KY | Pass | State |
| 2025-09-08 | KY UTILITIES CO - GHENT STATION | GHENT, Carroll, KY | Pass | State |
| 2025-09-04 | TEXAS GAS TRANSMISSION LLC - MIDLAND III TRANSMISSION | BREMEN, Muhlenberg, KY | Pass | State |
| 2025-08-27 | CABOT CORPORATION - HOPKINSVILLE FACILITY — high-priority violation on file | HOPKINSVILLE, Christian, KY | Fail | State |
| 2025-08-26 | CONTINENTAL SILVER GROVE LLC | SILVER GROVE, Campbell, KY | Pass | State |
| 2025-08-20 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-08-19 | NOVELIS | BEREA, Madison, KY | Pass | State |
| 2025-08-12 | EAST KY POWER COOP - SPURLOCK STATION | MAYSVILLE, Mason, KY | Pending | State |
| 2025-08-12 | COLUMBIA GULF TRANSMISSION LLC - GOODLUCK COMPRESSOR STATION | SUMMER SHADE, Metcalfe, KY | Pass | State |
| 2025-08-12 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-08-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-08-08 | AHLSTROM FILTRATION LLC | MADISONVILLE, Hopkins, KY | Pass | State |
| 2025-08-03 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-07-30 | TEXAS GAS TRANSMISSION LLC - SLAUGHTERS COMPRESSOR | SLAUGHTERS, Webster, KY | Pass | State |
| 2025-07-30 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2025-07-29 | KODI COLLECTIVE â LEBANON JUNCTION | LEBANON JUNCTION, Bullitt, KY | Pass | State |
| 2025-07-29 | NUCOR STEEL BRANDENBURG | BRANDENBURG, Meade, KY | Pass | State |
| 2025-07-23 | NEWLY WEDS FOODS INC — high-priority violation on file | ERLANGER, Kenton, KY | Pass | State |
| 2025-07-22 | ARKEMA INC | CALVERT CITY, Marshall, KY | Pending | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.